1.
LCM of two prime numbers is 187. What is the sum of these numbers?
2.
If the students of a class can be grouped exactly into 6, 8 or 10, then what is the minimum number of students in the class ?
3.
Which digits have the same place value and face value in the number 4560923 ?
4.
The product of two co -prime numbers is 117. What is their L.C.M. ?
5.
Two articles are sold for Rs.1 each. One is sold at a profit of 20% and other at a loss of 20%. Find the net profit or loss.
6.
100 million is equal to :
7.
The simplified value of (7+3)6 ÷ 4 – 12 ÷ 6 is :
8.
CP of 12 articles is equal to the SP of 15 articles. Find profit or loss percent.
9.
What least number should be subtracted from 26492518 so that the resulting number is divisible by 3 but not by 9 ?
10.
Is it possible to have product of sum and difference of two numbers as −33 in each case? If yes, find the difference of the two numbers.
11.
What is the next thousandth number after 1,45,069.
12.
The final ratio of two quantities can be expressed as ⅜ : ⅓ .
13.
Simplify: 9 + 2 x 6 ÷ 4 − 12 ÷ 6 x 2
14.
The ratio of two numbers is 7 : 8 and their H.C.F. is 4. What is their L.C.M. ?
15.
What is the remainder obtained when a prime number greater than 6 is divided by 6 ?
17.
Which is greater x+4 or x-4 for any negative value of x ?
18.
Which is the least three digit number divisible by 9 but not divisible by 3 ?
20.
An apple is 40 cents, a banana is 60 cents and a grapefruit is 80 cents. How much is a papaya?